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Physics and Chemistry of Solid State最新文献

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Formation of submicron relief structures on the surface of sapphire substrates 蓝宝石衬底表面亚微米浮雕结构的形成
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-14 DOI: 10.15330/pcss.24.2.298-303
V. Petrov, A. Kryuchyn, I. Gorbov, A. Pankratova, D. Manko, Yu. O. Borodin, O. V. Shikhovets
{"title":"Formation of submicron relief structures on the surface of sapphire substrates","authors":"V. Petrov, A. Kryuchyn, I. Gorbov, A. Pankratova, D. Manko, Yu. O. Borodin, O. V. Shikhovets","doi":"10.15330/pcss.24.2.298-303","DOIUrl":"https://doi.org/10.15330/pcss.24.2.298-303","url":null,"abstract":"An analysis of technologies that allow creating microrelief structures on the surface of sapphire substrates has been carried out. It is shown that the most effective method of forming relief structures with submicron dimensions is ion beam   etching through a protective mask formed by photolithography. The main problems in creating a microrelief on the surface of sapphire substrates are the removal of static electric charge in the process of ion beam  etching of the substrates, as well as obtaining a protective mask with windows of specified sizes, through which etching of the sapphire substrate is performed.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"18 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87193697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The features of chemo-mechanical activation technology of polymer composite materials production 化学机械活化技术在高分子复合材料生产中的特点
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-14 DOI: 10.15330/pcss.24.2.304-311
O. Komashko, H. O. Sirenko, M. Skladaniuk
{"title":"The features of chemo-mechanical activation technology of polymer composite materials production","authors":"O. Komashko, H. O. Sirenko, M. Skladaniuk","doi":"10.15330/pcss.24.2.304-311","DOIUrl":"https://doi.org/10.15330/pcss.24.2.304-311","url":null,"abstract":"The paper deals with the study of the processes of obtaining polymer composites by chemo-mechanical activation technology (CMA-technology). The methods of research and testing of composite materials based on polytetrafluoroethylene (PTFE) and carbon fibers are analyzed and generalized. The influence of CMA technology on the structure and properties of PTFE composite was determined.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"78 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76619096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Frequency shifts of surface plasmon resonances in calculating the absorption coefficient of a composite based on bimetallic 1D-systems 计算双金属一维复合材料吸收系数时表面等离子体共振的频移
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-11 DOI: 10.15330/pcss.24.2.290-297
A. O. Koval
{"title":"Frequency shifts of surface plasmon resonances in calculating the absorption coefficient of a composite based on bimetallic 1D-systems","authors":"A. O. Koval","doi":"10.15330/pcss.24.2.290-297","DOIUrl":"https://doi.org/10.15330/pcss.24.2.290-297","url":null,"abstract":"In this paper analyzes the electromagnetic radiation absorption by a composite based on bimetallic nanowires. Using the Drude-Lorentz theory it was obtained the relationship for the polarizability frequency dependences, as well as real and imaginary parts of the dielectric function of layered 1D-systems was obtained. It is shown that the structure in the form of a metal core covered with a layer of another metal leads to splitting and the appearance of two maxima in the frequency dependence of the absorption coefficient. The magnitude and position of the maxima are determined by the composition of bimetallic nanowires and the volume content of metals. The influence of the dimensionality of the systems has been established by comparing the frequency dependences of the composite absorption coefficient based on bimetallic nanowires and nanoparticles. Calculations were performed for Ag@Au and Au@Ag nanowires immersed in Teflon.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"36 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79008262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of high-precision hardware and software tools for automated determination of the characteristics of thermoelectric devices 开发用于热电器件特性自动测定的高精度硬件和软件工具
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-11 DOI: 10.15330/pcss.24.2.278-283
B. Dzundza, O. Kostyuk, Z. Dashevsky, U. M. Pysklynets
{"title":"Development of high-precision hardware and software tools for automated determination of the characteristics of thermoelectric devices","authors":"B. Dzundza, O. Kostyuk, Z. Dashevsky, U. M. Pysklynets","doi":"10.15330/pcss.24.2.278-283","DOIUrl":"https://doi.org/10.15330/pcss.24.2.278-283","url":null,"abstract":"In this work, a high-accuracy setup was developed for the characterization of thermoelectric devices in the temperature range of 300-900 K. The output parameters of the thermoelectric devices, including the thermoelectric efficiency Z, Seebeck coefficient S, and internal resistance r, were measured. A technique, block diagram, and computer tools for automated measurement and preliminary processing of experimental data were developed for automated studies of the properties of semiconductor materials and thermoelectric power conversion modules. The developed tools were shown to have high efficiency. The complexity of the process of measuring the main electrical parameters of semiconductor materials was significantly reduced, and the accuracy of the obtained results was increased.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"5 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79759460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural studies and magnetism of Dy6Ni2.43Sn0.5 stannide Dy6Ni2.43Sn0.5锡化物的结构和磁性研究
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-11 DOI: 10.15330/pcss.24.2.284-289
L. Romaka, Kh. Miliyanchyk, V. Romaka, L. Havela, Y. Stadnyk
{"title":"Structural studies and magnetism of Dy6Ni2.43Sn0.5 stannide","authors":"L. Romaka, Kh. Miliyanchyk, V. Romaka, L. Havela, Y. Stadnyk","doi":"10.15330/pcss.24.2.284-289","DOIUrl":"https://doi.org/10.15330/pcss.24.2.284-289","url":null,"abstract":"Intermetallic compound Dy6Ni2.43Sn0.5 was prepared by arc melting and annealing at 873 K. It was characterized by X-ray powder diffraction, differential thermal analysis, and electron probe microanalysis. The crystal structure of low temperature Dy6Ni2.43Sn0.5 phase belongs to the orthorhombic Ho6Co2Ga structure type (space group Immm, a = 0.93116(1) nm, b = 0.94993(1) nm, c = 0.98947(1) nm). Crystal structure refinements showed the deviation from the ideal 6:2:1 stoichiometry corresponding to the formula Dy6Ni2.43Sn0.5. It exhibits a sequence of magnetic phase transitions; antiferromagnetic ordering sets in at 60 K, while further order-order magnetic phase transitions take place at lower temperatures.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"128 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83444079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantum-chemical studies of the interaction of partially oxidized graphene-like planes with each other 部分氧化类石墨烯平面相互作用的量子化学研究
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-06-04 DOI: 10.15330/pcss.24.2.269-277
Y. V. Hrebelna, E. Demianenko, M. Terets, Y. Sementsov, V. Lobanov, A. Grebenyuk, V. Kuts, S. Zhuravskyi, O. V. Khora, M. Kartel
{"title":"Quantum-chemical studies of the interaction of partially oxidized graphene-like planes with each other","authors":"Y. V. Hrebelna, E. Demianenko, M. Terets, Y. Sementsov, V. Lobanov, A. Grebenyuk, V. Kuts, S. Zhuravskyi, O. V. Khora, M. Kartel","doi":"10.15330/pcss.24.2.269-277","DOIUrl":"https://doi.org/10.15330/pcss.24.2.269-277","url":null,"abstract":"Using the methods of quantum chemistry, the energy effects of the interaction of partially oxidized graphene-like planes with each other and the effect on this characteristic of the nature of the functional groups present in the oxidized graphene-like planes, as well as the dimensions of the graphene-like planes themselves, were clarified. It was established that the reaction between the hydroxyl and aldehyde groups of two interacting graphene-like planes is the most thermodynamically probable, regardless of the dimensions of the graphene-like planes. The reaction between two carboxyl groups of different graphene-like planes is the least thermodynamically probable. To create nanocomposites by interacting graphene-like planes with each other, it is necessary that the graphene-like planes contain hydroxyl and aldehyde groups.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"17 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82022441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bacteria inactivation using spinel cobalt ferrite catalyst 尖晶石钴铁氧体催化剂灭活细菌
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-05-14 DOI: 10.15330/pcss.24.2.256-261
N. Danyliuk, I. Lapchuk, T. Tatarchuk, R. Kutsyk, V. Mandzyuk
{"title":"Bacteria inactivation using spinel cobalt ferrite catalyst","authors":"N. Danyliuk, I. Lapchuk, T. Tatarchuk, R. Kutsyk, V. Mandzyuk","doi":"10.15330/pcss.24.2.256-261","DOIUrl":"https://doi.org/10.15330/pcss.24.2.256-261","url":null,"abstract":"The E. coli inactivation using hydrogen peroxide (H2O2) and cobalt ferrite granulated catalyst was investigated in a fixed-bed flow reactor. CoFe2O4 catalyst was synthesized by the co-precipitation method, granulated, and annealed at 1150°C. X-ray diffraction analysis was used to identify the crystal structure of the catalyst. CoFe2O4 catalyst demonstrates good catalytic activity for bacteria inactivation in the presence of H2O2. An increase in the hydrogen peroxide concentration increases the inactivation efficiency. The reactor demonstrates the E. coli inactivation of 99.94% at the H2O2 hydrogen peroxide concentration of 15 mM and initial bacterial concentration of 6·103 CFU/L. The water disinfection using a fixed-bed reactor demonstrates the broad prospects for industrial use.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"51 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74798362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physical properties of nanocrystaline PbS synthesized by electrolytic method 电解法制备纳米晶PbS的物理性质
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-05-14 DOI: 10.15330/pcss.24.2.262-268
O. Kapush, N. Mazur, A. Lysytsya, M. Moroz, B. Nechyporuk, B. Rudyk, V. Dzhagan, M. Valakh, V. Yukhymchuk
{"title":"Physical properties of nanocrystaline PbS synthesized by electrolytic method","authors":"O. Kapush, N. Mazur, A. Lysytsya, M. Moroz, B. Nechyporuk, B. Rudyk, V. Dzhagan, M. Valakh, V. Yukhymchuk","doi":"10.15330/pcss.24.2.262-268","DOIUrl":"https://doi.org/10.15330/pcss.24.2.262-268","url":null,"abstract":"The possibility of obtaining nanocrystaline lead sulfide by an electrolytic method using lead electrodes is demonstrated, and the influence of temperature on the synthesis process is investigated. Based on the results of X-ray diffraction studies, the chemical and phase composition of the obtained samples is determined, as well as the parameters of the unit cell of the crystals lattice. The size of the nanocrystallites and the magnitude of residual mechanical strain in them is determined using the methods of Debye-Scherrer and Williamson-Hall. The results of X-ray diffraction are in agreement with the results of the Raman scattering on phonons.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"118 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87616451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fractal analysis of fractograms of aluminum alloys irradiated with high current electron beam 大电流电子束辐照铝合金断口形貌的分形分析
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-04-30 DOI: 10.15330/pcss.24.2.249-255
S. Donets, V. Lytvynenko, O. Startsev, Y. Lonin, A. Ponomarev, V. Т. Uvarov
{"title":"Fractal analysis of fractograms of aluminum alloys irradiated with high current electron beam","authors":"S. Donets, V. Lytvynenko, O. Startsev, Y. Lonin, A. Ponomarev, V. Т. Uvarov","doi":"10.15330/pcss.24.2.249-255","DOIUrl":"https://doi.org/10.15330/pcss.24.2.249-255","url":null,"abstract":"The aluminum alloys D16 and AMg6 were irradiated using the high-current relativistic electron beam in vacuum. Intense electron irradiation of the materials modified their physical properties. The fractal character of the fracture surfaces’ images was studied. The change of the fractality is a distinguished descriptor of the materials modification. The characteristic ductile and brittle fractures are accompanied by the change of the fractal dimension.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"20 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90767580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effect of the crystal structure and chemical bonding on the electronic and thermal transport in Cu2MeHf3S8 (Me – Mn, Fe, Co, Ni) thiospinels Cu2MeHf3S8 (Me - Mn, Fe, Co, Ni)硫尖晶石晶体结构和化学键对电子和热输运的影响
IF 0.7
Physics and Chemistry of Solid State Pub Date : 2023-04-11 DOI: 10.15330/pcss.24.2.235-243
O. Smitiukh, O. Soroka, O. Marchuk
{"title":"Effect of the crystal structure and chemical bonding on the electronic and thermal transport in Cu2MeHf3S8 (Me – Mn, Fe, Co, Ni) thiospinels","authors":"O. Smitiukh, O. Soroka, O. Marchuk","doi":"10.15330/pcss.24.2.235-243","DOIUrl":"https://doi.org/10.15330/pcss.24.2.235-243","url":null,"abstract":"Establishing the relationship between crystal structure and transport properties is an important issue that is directly connected with the applicability of functional materials. In this work, we present the analysis of the crystal structure, chemical bonding, and electronic and thermal transport properties of Cu2МеHf3S8 (Ме – Mn, Fe, Co, Ni) compounds. The increase of weighted mobility in the Mn → Fe → Со → Ni series as well as the change of the dominant scattering mechanism of charge carriers from scattering on point defects to the scattering on acoustic phonons explains the best electronic transport in Cu2NiHf3S8. Moreover, bonding inhomogeneity between the covalent δ(Co – S) and δ(Hf – S) from one side, and more ionic δ(Cu – S) interactions from the other side leads to low lattice thermal conductivity in Cu2MeHf3S8 (Me – Mn, Fe, Co, Ni) materials. The work also suggests the link between the occupation of the octahedral 16d site and the thermoelectric performance of the investigated thiospinels. Particularly, the best thermoelectric performance is observed in the case of the presence of two valence electrons in the d-level of atoms in octahedral voids, which can be essential for further enhancement of the thermoelectric performance in thiospinels.","PeriodicalId":20137,"journal":{"name":"Physics and Chemistry of Solid State","volume":"47 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90276833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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